view src/testdir/test_shift.vim @ 19121:a51fee786930 v8.2.0120

patch 8.2.0120: virtcol() does not check arguments to be valid Commit: https://github.com/vim/vim/commit/b3d33d8570bc49a7f90990572d7f9630a1bfae02 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 15 20:36:55 2020 +0100 patch 8.2.0120: virtcol() does not check arguments to be valid Problem: virtcol() does not check arguments to be valid, which may lead to a crash. Solution: Check the column to be valid. Do not decrement MAXCOL. (closes #5480)
author Bram Moolenaar <Bram@vim.org>
date Wed, 15 Jan 2020 20:45:04 +0100
parents c945f1d03b1c
children 08940efa6b4e
line wrap: on
line source

" Test shifting lines with :> and :<

source check.vim

func Test_ex_shift_right()
  set shiftwidth=2

  " shift right current line.
  call setline(1, range(1, 5))
  2
  >
  3
  >>
  call assert_equal(['1',
        \            '  2',
        \            '    3',
        \            '4',
        \            '5'], getline(1, '$'))

  " shift right with range.
  call setline(1, range(1, 4))
  2,3>>
  call assert_equal(['1',
        \            '    2',
        \            '    3',
        \            '4',
        \            '5'], getline(1, '$'))

  " shift right with range and count.
  call setline(1, range(1, 4))
  2>3
  call assert_equal(['1',
        \            '  2',
        \            '  3',
        \            '  4',
        \            '5'], getline(1, '$'))

  bw!
  set shiftwidth&
endfunc

func Test_ex_shift_left()
  set shiftwidth=2

  call setline(1, range(1, 5))
  %>>>

  " left shift current line.
  2<
  3<<
  4<<<<<
  call assert_equal(['      1',
        \            '    2',
        \            '  3',
        \            '4',
        \            '      5'], getline(1, '$'))

  " shift right with range.
  call setline(1, range(1, 5))
  %>>>
  2,3<<
  call assert_equal(['      1',
        \            '  2',
        \            '  3',
        \            '      4',
        \            '      5'], getline(1, '$'))

  " shift right with range and count.
  call setline(1, range(1, 5))
  %>>>
  2<<3
  call assert_equal(['      1',
     \               '  2',
     \               '  3',
     \               '  4',
     \               '      5'], getline(1, '$'))

  bw!
  set shiftwidth&
endfunc

func Test_ex_shift_rightleft()
  CheckFeature rightleft

  set shiftwidth=2 rightleft

  call setline(1, range(1, 4))
  2,3<<
  call assert_equal(['1',
        \             '    2',
        \             '    3',
        \             '4'], getline(1, '$'))

  3,4>
  call assert_equal(['1',
        \            '    2',
        \            '  3',
        \            '4'], getline(1, '$'))

  bw!
  set rightleft& shiftwidth&
endfunc

func Test_ex_shift_errors()
  call assert_fails('><', 'E488:')
  call assert_fails('<>', 'E488:')

  call assert_fails('>!', 'E477:')
  call assert_fails('<!', 'E477:')

  call assert_fails('2,1>', 'E493:')
  call assert_fails('2,1<', 'E493:')
endfunc